提取VS2019中的VC2019 x64位命令行版本

从vs2019提取vc++(x64位版)。纯属娱乐和学习使用。使用方法 1.在msys2系统，假设安装目录为/opt/vc，用下列命令设置环境变量 export PATH=/opt/vc/bin:$PATH export LIB=/opt/vc/lib export INCLUDE=/opt/vc/include 2、在windows系统，cmd下在安装目录运行 set PATH=%~dp0bin;%PATH% set LIB=%~dp0lib set INCLUDE=%~dp0include